<?php
/**
 * @package     Plumrocket_GlobalPrivacyControl
 * @copyright   Copyright (c) 2025 Plumrocket Inc.
 * @license     https://plumrocket.com/license   End-user License Agreement
 */

declare(strict_types=1);

namespace Plumrocket\GlobalPrivacyControl\Observer;

use Magento\Framework\Event\Observer;
use Magento\Framework\Event\ObserverInterface;
use Plumrocket\GlobalPrivacyControl\Helper\Config;
use Plumrocket\GlobalPrivacyControl\Service\WellKnownFileManager;
use Psr\Log\LoggerInterface;
use Magento\Framework\Message\ManagerInterface;

class GenerateWellKnownFile implements ObserverInterface
{
    /**
     * @var \Plumrocket\GlobalPrivacyControl\Service\WellKnownFileManager
     */
    private $wellKnownFileManager;

    /**
     * @var \Psr\Log\LoggerInterface
     */
    private $logger;

    /**
     * @var \Magento\Framework\Message\ManagerInterface
     */
    private $messageManager;

    /**
     * @param \Plumrocket\GlobalPrivacyControl\Service\WellKnownFileManager $wellKnownFileManager
     * @param \Psr\Log\LoggerInterface $logger
     * @param \Magento\Framework\Message\ManagerInterface $messageManager
     */
    public function __construct(
        WellKnownFileManager $wellKnownFileManager,
        LoggerInterface $logger,
        ManagerInterface $messageManager
    ) {
        $this->wellKnownFileManager = $wellKnownFileManager;
        $this->logger = $logger;
        $this->messageManager = $messageManager;
    }

    /**
     * @param \Magento\Framework\Event\Observer $observer
     * @return void
     */
    public function execute(Observer $observer): void
    {
        $changedPaths = $observer->getData('changed_paths');
        $triggerPaths = [
            Config::XML_PATH_WELL_KNOWN_LAST_UPDATE_DATE,
            Config::XML_PATH_IS_MODULE_ENABLED,
        ];

        if (! array_intersect($triggerPaths, $changedPaths)) {
            return;
        }

        try {
            $this->wellKnownFileManager->create();
        } catch (\Throwable $e) {
            $this->logger->error('[Plumrocket_GlobalPrivacyControl] Failed to update .well-known file: ' . $e->getMessage(), ['exception' => $e]);
            $this->messageManager->addErrorMessage(
                __('Something went wrong while updating the .well-known file: %1', $e->getMessage())
            );
        }
    }
}